EP 2282396 B1 20121205 - Production method for a rotor with skewed squirrel-cage and rotor with skewed squirrel-cage
Title (en)
Production method for a rotor with skewed squirrel-cage and rotor with skewed squirrel-cage
Title (de)
Herstellungsverfahren für geschrägte Käfigläufer und geschrägter Käfigläufer
Title (fr)
Procédé de fabrication pour rotor à cage d'écureuil oblique et rotor à cage d'écureuil oblique
Publication
Application
Priority
EP 09167044 A 20090803
Abstract (en)
[origin: EP2282396A1] The method involves beveling a laminated rotor core with grooves, and inserting a set of short-circuit bars (3) made of a material e.g. copper, into the grooves. A set of short-circuit rings made of another material e.g. aluminum, is cast at the core, where the bars comprise a bevel before insertion into the grooves. The bars are inserted in the core in a distortion-free manner before application of the latter material for filling an inner groove area lying in a radial direction, such that the latter material is not penetrated into the inner are region during casting process. An independent claim is also included for a cage rotor for an asynchronous machine.
IPC 8 full level
H02K 15/00 (2006.01); H02K 17/16 (2006.01)
CPC (source: EP US)
B22D 19/0054 (2013.01 - EP US); H02K 15/0012 (2013.01 - EP US); H02K 17/165 (2023.05 - US); H02K 17/18 (2013.01 - EP); H02K 17/20 (2013.01 - EP); Y10T 29/49012 (2015.01 - EP US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
DOCDB simple family (publication)
EP 2282396 A1 20110209; EP 2282396 B1 20121205; BR 112012002606 A2 20160322; BR 112012002606 B1 20191015; CN 102474163 A 20120523; CN 102474163 B 20141029; RU 2012108118 A 20130910; RU 2548369 C2 20150420; US 2012133236 A1 20120531; WO 2011015494 A1 20110210
DOCDB simple family (application)
EP 09167044 A 20090803; BR 112012002606 A 20100727; CN 201080034580 A 20100727; EP 2010060906 W 20100727; RU 2012108118 A 20100727; US 201013388412 A 20100727